Tricky math, history, lead leap year - live science, The extra day added at leap year addresses a discrepancy between our calendar and the time it takes the earth to travel around the sun. it has taken millennia for. Perpetual year-day calendar, Moved permanently. the document has moved here.. Leap year - wikipedia, A leap year (also known as an intercalary year or a bissextile year) is a year containing one additional day (or, in the case of lunisolar calendars, a month) added.
Julian date leap year calendar - virtual calendar, Julian date leap year calendar. page previously labeled "julian date calendar". actuality, -accurate. listing day . http://www.vpcalendar.net/Julian_Date_Leap.html Revised julian calendar - wikipedia, The revised julian calendar, milanković calendar, , formally, calendar, calendar, developed proposed serbian scientist. https://en.wikipedia.org/wiki/Revised_Julian_calendar Julian date calendar - day year | vp calendar, This page previously labeled "julian date calendar". actuality, -accurate. listing day year. julian date . http://www.vpcalendar.net/Julian_Date.html